ADVER
ADVERTORIAL FEAT RE RIAL FEA ATURE
SENSORSSENSOR S
Safety sensing in t he hars hes t of industrial environments
Strong, fast, visible and safe: A new gen ration of safety ligh t curtain fromPanasoni
Strong, fast, visible and safe: A new generation of safety light curtains from Panasonic
O
perator safety in a production environment is an extremely
important part of any machine design and is one of the top priorities for any system integrator in addition to time scales for machine design and
construction. The safety light curtain is one of the more common elements used in a safety system in addition to safety interlocks, scanners and of course the safety controller or safety PLC .
EAS
EASY SETTING AND CONFIGURATION In a world where time is so
SETTING AND CONFIGURATION
last distraction a systemintegrator needs is a time consuming procedure for setting up a safety light curtain systemon a new machine and the on-goingmaintenance of the systemfor themanufacturer This is one of the areas Panaso addressed with the design
.
of its new SF4D nic has
Series safety light curtains which are a Type 4 (PLe SIL3) safety product
complying to the global safety standard needed formachinemanufacture. The built-in alignment indicator system located at the base of both the emitter and receiver of each light curtain contains a single digit numeric display and coloured indicator to assist alignm ent. The primar y function of the display is to informthe operator of the alignment status between the emitter and receiver by indicating the strength of the received beamwith a numeric value between one and three (with three indicating optimal alignment). This feature is also backed up with an operation monitoring fun configurator light curtain
software that ction of the
supports the series. The operation monitoring function gives a bar graph representation of each in dividual beam o f the light curtain which is backed up by a colour change for assisting alignment. Other functions offered by the software are configuration of a light curtain,
including model selection by type (finger, hand and arm/leg detection), protection height and cable configuration.
14 14 MAR MARCH 201 2017 | AU AUTOMA MAT ATION
The configurator light curtain software is used in conjunction with a
onimportant, the
communication module which allows parameters to be loaded to a safety light curtain using file data, or copied data and transferred between similar light curtains via the write function .
FLEXIBL WIRING OP IONS FLEXIBLE WIRING OPTIONS
The SF4D Series offers three cables types that reflect the complexity of the safety light curtain set up:
• 5-core cable with optical
synchronisation: this is the minimal wiring solution and utilises optical
synchronisation offering two x OSSD O/P and a Test I/P.
• 8-core cable with Line
synchronisation: this offers additional wiring options including Interlock and aux O/P.
• 12-core cable with full function line synchronisation: additional features to eight core operation include muting function, override and colour control of LED indicators.
This flexibility allows the user to choose the most efficient light curtain
d.
configuration for their application with, simple single curtain solutions, easily solved with a five wire configuration and multiple light curtain (up to five sets in series) applications requiring more advanced features including muting and blanking
ROBUST AND RELIABLE OPERATION The SF4D Series been designed u
environments. T applications are
he IP67, IP65(IEC) and operating in tough
ROBUS AND RELIABL OPERATION
sing lessons learned from Safety Light Curtain has
previous generation products where the
Panasonic Electric Works www
ww.
www.panasonic-electric-works.co.uk wo /AUTOMATION AT /AUTOMATION
Panasonic’s new range of SF4D Series safet light cur ains
anasonic’s new range of SF4D Series safety light curtains
compliments a portfolio products including
compliments a portfolio of industrial safetof industrial safety products including
safety controllers, laser- based safety scanners and sensors
safety controllers, laser- based safety scanners and sensors
NEMA Type 13 (NEMA 250) protection rating means SF4D products are able to operate in areas where liquids and coolants are present with maximum reliability. In addition, using technology from the Panasonic fibre optic based sensors, the high power optical system allows the operation range of the SF4D to be increased to 15m with minimal light deviation along the beam axis. The increased beam strength also has th e benefit of allowing the light curtain to reliably operate with continual build-up of dust and dirt on the transmitter and receiver elements offering increased maintenance periods.
With the continual pursuit of reduction in product size previous generations of safety light curtains suffered withmecha
.
nical issues affecting have sometimes
reliability through twisting and warping, especially longer length protection models As a result protection bars hav e been offered as optional extras to protect the light curtain where the possibilities of contact with heavy obj SF4D series has over
design where the case thickness of the product is significantly increased and the internal electronics and optics reducied in size, maintaining the overall dimensions of previous generation products.
come this with a new bjects exist. The
SUMMAR
SUMMARY
Panasonic’s SF4D Series of safety light curtains offer a tough and reliable solution for safety light curtain requirements, especially in the automotive industry where the lessons learnt fromprevious generation products have been applied.
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